R1210N××1×

2

APPLICATIONS

• Power source for battery-powered equipment.

• Power source for portable communication appliances, cameras, VCRs

• Power source for appliances of which require higher voltage than battery voltage.

BLOCK DIAGRAM

Chip Enable

Phase Comp.

PWM Controller

Buffer

OSC

fosc Control

Vref Circuit

5

2

4

GND

1

CE

SELECTION GUIDE

In the R1210N Series, the output voltage, the oscillator frequency, the optional function, and the taping type for the

ICs can be selected at the user’s request.

The selection can be made by designating the part number as shown below ;

R1210N××1×-××

↑↑ ↑

ab c

Code

Contents

a

Stepwise setting with a step of 0.1V in the range of 2.2V to 6.0V (for ××1C/D version) or

2.2V to 3.5V (for ××1A version) is possible.

b

Designation of Oscillator Frequency

A : 100kHz with a Frequency Change-over circuit

C : 100kHz without a Frequency Change-over circuit

D : 180kHz without a Frequency Change-over circuit

c

Designation of Taping Type; Ex. :TR, TL (refer to Taping Specification)

“TR” is prescribed as a standard.